| Aleiodes mexicanus Cresson, 1869 |
| Aleiodes molestus (Cresson, 1872) |
| Aleiodes nigripens (Enderlein, 1920) |
| Aleiodes nigristemmaticum (Enderlein, 1920) |
| Aleiodes notozophus Marsh & Shaw, 1997 |
| Aleiodes rossi Marsh & Shaw, 1997 |
| Aleiodes scriptipennis (Enderlein, 1920) |
| Aleiodes smithi Marsh & Shaw, 2001 |
| Aleiodes sonorensis (Cameron, 1887) |
| Aleiodes texanus Cresson, 1869 |
| Aleiodes vaughani (Muesebeck, 1960) |
| Alienoclypeus Shenefelt, 1978 |
| Alienoclypeus insolitus Shenefelt, 1978 |
| Aliolus Say, 1836 |
| Aliolus curculionis (Fitch, 1859) |
| Aliolus inaratus Martin, 1956 |
| Aliolus mexicanus (Cresson, 1872) |
| Allapanteles Brèthes, 1915 |
| Allobracon Gahan, 1915 |
| Allobracon gahani Wharton, 1993 |